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York YCAS0130 manual Control Inputs/Outputs, Micro Panel Contents, Digital Outputs

Models: YCAS0130

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Micro Panel Contents

FORM 201.19-NM1 (204)

8.11 CONTROL INPUTS/OUTPUTS

Tables 8 through 14 are a quick reference list providing the connection points and a description of the inputs and outputs respectively. All input and output connections pertain to the connections at the microboard, relay, or I/O Board.

TABLE 8 - DIGITAL OUTPUTS

Microboard / Relay Board 1	J7-1 / TB1-20		Sys 1 Compressor
Microboard / Relay Board 1	J7-2 / TB1-19		Sys 1 Compressor Heater
Microboard / Relay Board 1	J7-3 / TB1-18		Sys 1 Liquid Line Solenoid Valve
Microboard / Relay Board 1	J7-4 / TB1-17/16		SPARE

Microboard / Relay Board 1	J7-5 / TB1-15		Sys 1 Condenser Fans Output 1
Microboard / Relay Board 1	J7-6 / TB1-14		Sys 1 Condenser Fans Output 2
Microboard / Relay Board 1	J9-1 / TB1-10		Sys 1 Condenser Fans Output 3
Microboard / Relay Board 1	J9-2	/ TB1-9	Sys 1 Economizer TXV Solenoid
Microboard / Relay Board 1	J9-3	/ TB1-8	Sys 1 Wye Delta Relay
Microboard / Relay Board 1	J9-4	/ TB1-7	SPARE
Microboard / Relay Board 1	J9-5 / TB1-6/5		Evaporator Heater
Microboard / Relay Board 1	J9-6 / TB1-4/3		Sys 1 Alarm
Microboard / Relay Board 2	J10 / TB1-20		Sys 2 Compressor
Microboard / Relay Board 2	J10-2	/ TB1-19	Sys 2 Compressor Heater
Microboard / Relay Board 2	J10-3	/ TB1-18	Sys 2 Liquid Line Solenoid Valve
Microboard / Relay Board 2	J10-4 / TB1-17/16		Chiller Run
Microboard / Relay Board 2	J10-5	/ TB1-15	Sys 2 Condenser Fans Output 1
Microboard / Relay Board 2	J10-6	/ TB1-14	Sys 2 Condenser Fans Output 2
Microboard / Relay Board 2	J8-1 / TB1-10		Sys 2 Condenser Fans Output 3
Microboard / Relay Board 2	J8-2	/ TB1-9	Sys 2 Economizer TXV Solenoid
Microboard / Relay Board 2	J8-3	/ TB1-8	Sys 2 Wye Delta Relay
Microboard / Relay Board 2	J8-4	/ TB1-7	SPARE
Microboard / Relay Board 2	J8-5 / TB1-6/5		Evaporator Pump
Microboard / Relay Board 2	J8-6 / TB1-4/3		Sys 2 Alarm
I/O Expansion	J13-1		Sys 1 EEV Heat Motor
I/O Expansion	J13-2		Sys 2 EEV Heat Motor

186	YORK INTERNATIONAL

Image 186

York YCAS0130 manual Control Inputs/Outputs, Micro Panel Contents, Digital Outputs

Contents

60 Hz AIR-COOLED SCREW LIQUID CHILLERSYCAS AIR-COOLED LIQUID CHILLERS YCAS0130 THROUGH YCAS0230 STYLE G INSTALLATION, OPERATION & MAINTENANCE New ReleaseCHANGEABILITY OF THIS DOCUMENT GENERAL SAFETY GUIDELINES SAFETY SYMBOLSREAD BEFORE PROCEEDING SECTION 4 - INSTALLATION TABLE OF CONTENTSINFORMATION & SAFETY SECTION 1 - GENERAL CHILLERSECTION 5 - COMMISSIONING TABLE OF CONTENTS CONT’DSECTION 7 - TECHNICAL DATA SECTION 6 - OPERATIONTABLE OF CONTENTS CONT’D SECTION 8 - MICRO PANEL CONTENTSSECTION 9 - MAINTENANCE LIST OF TABLESTABLE OF CONTENTS CONT’D SECTION 11 - TROUBLE SHOOTINGLIST OF FIGURES GENERAL CHILLER INFORMATION & SAFETY Standards for SafetySuitability for Application General Chiller Information & SafetyGeneral Access Structural SupportSharp Edges High Temperature and Pressure CleaningRotating Parts Refrigerants and OilsGeneral Description PRODUCT DESCRIPTIONProduct Description CompressorEvaporator CondenserEconomizer Power and Control PanelProduct Description Oil Separator/SystemThe options sections contain Each power compartment containsThe control section contains Microprocessor ControlsMotor Protection Modules 2ACE Other symbolsProduct Description Current OverloadCurrent Imbalance Loaded & Unloaded/ Loss of Phase Improper Phase SequenceThermal Overload YCAS STYLE G, ACROSS-THE-LINE - 60 HZ TABLE 1 - MOTOR PROTECTOR DIP SWITCH SETTINGProduct Description TABLE 1 - MOTOR PROTECTOR DIP SWITCH SETTING CONT’D YCAS STYLE G, ACROSS-THE-LINE - 60 HZYCAS STYLE G, WYE DELTA START - 60 HZ Product DescriptionTABLE 1 - MOTOR PROTECTOR DIP SWITCH SETTING CONT’D YCAS STYLE G, WYE DELTA START - 60 HZProduct Description DisplaySingle-Point Power Connection with Combined Circuit Protection Multiple Point Power Connection StandardSingle-Point Power Connection with Individual Circuit Protection Single-Point Power Connection without Circuit ProtectionProduct Description The following options provide added protectionNAMEPLATE ENGINEERING DATAYCAS0230EC46YGA UNIT NOMENCLATUREEVAP. FIELD PRODUCT IDENTIFICATION NUMBER PINProduct Description CONDENSER FIELDHANDLING AND STORAGE Lifting WeightsCORRECT UNIT RIGGINGHandling and Storage 88 2250mm CORRECTINDOOR INSTALLATIONS INSTALLATIONOUTDOOR INSTALLATIONS LOCATION REQUIREMENTSInstallation COMPRESSOR FEET BOLT REMOVALInstallation General RequirementsInstallation WATER TREATMENTFIG. 6 - PIPEWORK ARRANGEMENT PIPEWORK ARRANGEMENT Optional FlangesGeneral Requirements CONNECTION TYPES & SIZESInstallation Units with Single-Point Power Supply WiringRemote Setpoint Offset - Temperature Alarm ContactsFlow Switch Remote Emergency Stop DeviceOPTIONAL DISCONNECT SWITCH POWER PANEL LAYOUTS TYPICALInstallation OPTIONAL CIRCUIT BREAKER SWITCHOPTION PANEL LAYOUT TYPICAL LOGIC PANEL OPTION PANEL WITH SINGLE POINT TERMINAL BLOCK OPTIONALFIG. 10 - OPTION PANEL SECTION 60 Hz Models LOGIC SECTION LAYOUTInstallation PHOTOGRAPH OFLOGIC SECTION LAYOUT WITH CONTROL PANEL FIG. 12 - LOGIC SECTION LAYOUT WITH CONTROL PANELCUSTOMER CONNECTIONS InstallationFIG. 13 - CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS FIG. 14 - CUSTOMER CONNECTIONS115 VAC SUPPLY Power Connections COMMISSIONINGCommissioning InspectionTemperature Sensors Switch SettingsFlow Switch Programmed SettingsInterlocks System SwitchesCommissioning Start-upThis page intentionally left blank FORM 201.19-NM1YORK INTERNATIONAL OPERATION OperationThis page intentionally left blank FORM 201.19-NM1YORK INTERNATIONAL GLYCOL CORRECTION FACTORS TECHNICAL DATATechnical Data FLOW RATE AND PRESSURE DROP CHARTSTEMPERATURE AND FLOWS ENGLISH UNITSTEMPERATURE AND FLOWS Technical DataSI UNITS PHYSICAL DATA ENGLISH UNITS MODEL NUMBER YCASTechnical Data PHYSICAL DATASI UNITS MODEL NUMBER YCAS OPERATING LIMITATIONS AND SOUND POWER DATA OPERATING LIMITATIONS - ENGLISH UNITSOPERATING LIMITATIONS - SI UNITS MULTIPLE POINT POWER SUPPLY CONNECTION Suitable for Y - ∆ Start and ELECTRICAL DATATechnical Data MULTIPLE POINT POWER SUPPLY CONNECTION - 2 COMPRESSOR UNITSELECTRICAL DATA FANS11FACTORY PROVIDED LUGS WIRE RANGE Technical DataFIELD-SUPPLIED WIRING ELECTRICAL DATAELECTRICAL DATA FORM 201.19-NM1YORK INTERNATIONAL OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION - 2 COMPRESSOR UNITS Technical DataOPTIONAL SINGLE-POINT POWER SUPPLY ELECTRICAL DATAELECTRICAL DATA FORM 201.19-NM1YORK INTERNATIONAL ELECTRICAL DATA Technical DataOPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION TO FACTORY CIRCUIT BREAKER Suitable forDXS45LA - MOTOR CODE A ELECTRICAL DATAMAXIMUM kW AND AMPERAGE VALUES FOR DXST COMPRESSORS DXS36LA - MOTOR CODE AELECTRICAL NOTES Technical DataNOTES & LEGEND This page intentionally left blank FORM 201.19-NM1YORK INTERNATIONAL WIRING DIAGRAM ACROSS-THE-LINE STARTTechnical Data ACROSS-THE-LINE START WIRING DIAGRAMFIG. 18 - WIRING DIAGRAM - ACROSS-THE-LINE START LD09233ELEMENTARY DIAGRAM Technical DataFIG. 19 - ELEMENTARY DIAGRAM - ACROSS-THE-LINE START SWITCH SIZE ELEMENTARY DIAGRAMCONTROLPOWER SUPPLY NON-FUSEDTechnical Data WYE-DELTA STARTWIRING DIAGRAM FIG. 20 - WIRING DIAGRAM - WYE-DELTA STARTWYE-DELTA START WIRING DIAGRAMFIG. 21 - ELEMENTARY DIAGRAM - WYE-DELTA START LD09236ELEMENTARY DIAGRAM Technical DataFIG. 22 - ELEMENTARY DIAGRAM - WYE-DELTA START ELEMENTARY DIAGRAM FORM 201.19-NM1YORK INTERNATIONAL Technical Data FIG. 22A - POWER PANEL SYSTEM #1 COMPONENT LOCATIONSLD09238 FIG. 22B - CONTROL PANEL COMPONENT LOCATION LD09239Technical Data FIG. 22C - POWER PANEL SYSTEM #2 COMPONENT LOCATIONSLD09240 FORM 201.19-NM1 YORK INTERNATIONALLD09241 2 ACE MOTOR PROTECTOR MODULE Technical DataLD03282 LD03283 LD03284CONNECTION DIAGRAM SYSTEM WIRING LD09242COMPRESSOR TERMINAL BOX Technical DataLD09243 ELEMENTARY DIAGRAM CONTROL CIRCUIT LD09373#3/#4 ELEMENTARY DIAGRAMTechnical Data #3/#4This page intentionally left blank FORM 201.19-NM1YORK INTERNATIONAL DIMENSIONS - YCAS0130 - YCAS0180 ENGLISH 0P0.71Technical Data DIMENSIONS - YCAS0130 - YCAS0180 ENGLISH LD03744All dimensions are in mm unless otherwise noted DIMENSIONS - YCAS0130 - YCAS0180 SITechnical Data 46 EDGE OF UNIT TO COOLER CONNECTIONDIMENSIONS - YCAS0130 - YCAS0180 SI LD03746LD03747 SYS.#2 DIMENSIONS - YCAS0200 - YCAS0230 ENGLISHTechnical Data MICRO-COMPUTERDIMENSIONS - YCAS0200 - YCAS0230 ENGLISH LD03749LD03750 DIMENSIONS - YCAS0200 - YCAS0230 SI Technical DataAll dimensions are in mm unless otherwise noted DIMENSIONS - YCAS0200 - YCAS0230 SI LD03752LD03753 CLEARANCES TECHNICAL DATATechnical Data 1.3 mWEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONS Aluminium and Black Fin Condenser CoilsAluminium and Black Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data ISOLATOR DETAILSAWMR-1-XXX WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAluminium and Black Fin Condenser Coils AWMR-2-XXXAluminium and Black Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data NEW DESIGN FOR TYPE RD-4WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONS Copper Fin Condenser CoilsCopper Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data ISOLATOR DETAILSAWMR-1-XXX WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSCopper Fin Condenser Coils AWMR-2-XXXCopper Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data NEW DESIGN FOR TYPE RD-4WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONS Aluminium Fin Condenser Coils with Silencer KitAluminium Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data ISOLATOR DETAILSAWMR-1-XXX WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAluminium Fin Condenser Coils with Silencer Kit AWMR-2-XXXAluminum Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data NEW DESIGN FOR TYPE RD-4WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONS Copper Fin Condenser Coils with Silencer KitCopper Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data ISOLATOR DETAILSAWMR-1-XXX WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSCopper Fin Condenser Coils with Silencer Kit AWMR-2-XXXCopper Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data NEW DESIGN FOR TYPE RD-4INSTALLATION INSTRUCTIONS FOR VMC SERIES AWR/AWMR AND CP RESTRAINED MOUNTINGSREFRIGERANT FLOW DIAGRAM Technical DataFIG. 36 - REFRIGERANT FLOW DIAGRAM SYSTEM COMPONENTS PROCESS AND INSTRUMENTATION DIAGRAMFIG. 37 - PROCESS AND INSTRUMENTATION DIAGRAM MAJOR COMPONENTSCOMPONENT LOCATIONS Technical DataControl Panel COMPRESSOR COMPONENTS FIG. 39 - COMPRESSOR COMPONENTSCOMPRESSOR COMPONENTS - CONT’D Technical DataFIG. 40 - COMPRESSOR COMPONENTS COMPRESSOR COMPONENTS - CONT’D FIG. 41 - COMPRESSOR COMPONENTSLD03670 FIG. 42 - COMPRESSOR COMPONENTS Technical DataCOMPRESSOR COMPONENTS - CONT’D O-RING OIL FILTER MALE ROTOR DISCHARGE CHECK VALVECOMPRESSOR COMPONENTS - CONT’D FIG. 43 - COMPRESSOR COMPONENTSLD03673 FIG. 44 - COMPRESSOR COMPONENTS Technical DataCOMPRESSOR COMPONENTS - CONT’D LD03672SYSTEM STARTUP CHECKLIST Excessive ﬂow may cause catastrophic damage to the evaporatorTechnical Data Record programmed values in the chart belowINITIAL START-UP CHECKING SUBCOOLING AND SUPERHEATTechnical Data temperature, and economizer superheat belowThis page intentionally left blank FORM 201.19-NM1YORK INTERNATIONAL Status Key - see Section CHILLER CONTROL PANEL PROGRAMMING AND DATA ACCESS KEYSMicro Panel Contents Display Keys - see Section1. INTRODUCTION & PHYSICAL DESCRIPTION Internal Clock & Memory Backup Battery Micro Panel ContentsSystem Switches 1 Power Supply Board2T This 75VA transformer supplies the 24VAC to the power supply board 4T Supplies 24VAC power to the 2ACE Motor Protector ModulesRelay Output Boards Micro Panel Contents Always review the data in the history buffer when faults occur. Since the Micro attempts to restart 2 more times and fails to restart with the M1-M2 contacts open, the Micro will record the last 2 faults of Low Curr/MP/ HP. Hence, the third 3rd history buffer will show data related to the true cause. See page 142 for additional fault dataSIDE VIEW SIDE VIEWTOP VIEW FIG. 45 - MOTOR PROTECTION MODULEMicro Panel Contents Remote Current ResetRemote Start/Stop Remote Setpoint Temperature Reset Micro Panel Contents 1.11 MICROPROCESSOR BOARD LAYOUTFIG. 46 - COMPONENT LAYOUT 60 HZ MODEL LOGIC SECTION Flow Switch & Customer Connection Terminals TB41.12 LOGIC SECTION LAYOUT 60 Hz Models FIG. 47 - LOGIC SECTION LAYOUT1.14 ANTI-COINCIDENCE TIMER Micro Panel Contents1.13 ANTI-RECYCLE TIMER 1.15 EVAPORATOR PUMP CONTROL1.19 ALARMS 1.20 RUN STATUS CHILLER1.21 LEAD / LAG COMPRESSOR SELECTION PR = DP in PSIG+14.7 SP in PSIG+14.7 Micro Panel ContentsThe micro utilizes the formula below to compute pres- sure ratio 1.22 ECONOMIZER SOLENOID CONTROLPROCESS AND INSTRUMENTATION DIAGRAM FIG. 47A - PROCESS AND INSTRUMENTATION DIAGRAMECONOMIZER HX 2.5 Chiller Fault Status Messages 2.6 System Fault Status Messages 2. STATUS KEY GENERAL STATUS MESSAGES & FAULT WARNINGSMicro Panel Contents Unit Switch OFFAnti-Coincidence Timers System Switches OFFAnti-Recycle Timers Low Battery WarningPump Down Micro Panel ContentsPower Failure Warning Incorrect Refrigerant WarningHigh Ambient Temperature Cutout Suction Temperature LimitingLow Ambient Temperature Cutout Low Leaving Chilled Liquid Temperature CutoutHigh Discharge Temperature Cutout Micro Panel ContentsFlow Switch Open High Discharge Pressure CutoutLow Suction Pressure Cutout High Oil Temperature CutoutLow Oil Differential Pressure Cutout The Low Suction Pressure Cutout aids in protecting theMicro Panel Contents FLA full load amps is approximatelyLow Evaporator Temperature Cutout R407C Only 2.7 PRINTOUT ON FAULT SHUTDOWN3. DISPLAY KEYS & OPTION SWITCHES Micro Panel Contentsdisappear SWITCH 2 Ambient Temp. Range Low Ambient Cutout Open Micro Panel ContentsSWITCH 1 Water / Glycol Cooling Open ClosedDip Switch Physical Location and Setting SWITCH 3 Refrigerant OpenSWITCH 4 Unit Type Open SWITCH 5 Motor Current Average option start-up OpenSWITCH 7 Expansion Valve Type Open Micro Panel ContentsSWITCH 6 Heat Recovery Open SWITCH 8 Standard Options Open4. PRINT KEYS YCAS 2 System ModelsCommon Data Micro Panel Contents System DataThis message indicates the EEV preheat % and the suc- tion superheat Micro Panel Contents When the History key is pressed, the following message will appearDISABLED Chiller DataBE IN YCAS MODE Micro Panel Contents System Datawill not appear This message indicates the EEV preheat % and the suc- tion superheat Micro Panel Contents 4.7 FAULT HISTORY DATA - REMOTE PRINTOUTAn example of the HISTORY Printout is shown be- low 5.1 GENERAL 5. ENTRY KEYS5.4 CANCEL KEY 5.2 NUMERICAL KEYPADUser ac 6. SETPOINTS KEYS & CHILLED LIQUID CONTROLMicro Panel Contents ceptableSlide Valve Position Load TimersSlide Valve Control Compressor Starting & Loading SequenceANTICIPATORY LOAD LIMITING CONTROLS Micro Panel ContentsTimer Counts to Percentage of MotorDISCHARGE TEMPERATURE ANTICIPATORY SHUTDOWN CONTROL OIL TEMPERATURE ANTICIPATORY SHUTDOWN CONTROLANTICIPATORY UNLOADING CONTROLS Micro Panel Contents 6.3 LOCAL COOLING SETPOINTS KEY6.4 REMOTE COOLING SETPOINTS KEY 7. CLOCK KEYS First press theMicro Panel Contents key can only be pressed7.4 MANUAL OVERRIDE KEY 8. PROGRAM KEY Micro Panel ContentsHigh Discharge Pressure Cut-Out Programmed X Run Time/3 + Cutout100 High Discharge Pressure Unload PointLow Suction Pressure Cutout 60/3 +Low Ambient Temperature Cutout Micro Panel ContentsHigh Ambient Temperature Cutout Low Leaving Liquid Temperature CutoutImperial/SI Units Display Anti-Recycle TimeLocal/Remote Communications Automatic/Manual “Lead/Lag”Micro Panel Contents Automatic/Manual Power Failure RestartMode DefaultProgram Value Low Limit8.4 ELECTRONIC EXPANSION VALVE Micro Panel ContentsIN OUT VALVE PREHEAT FEATURE 8.5 EEV OPERATIONMOP FEATURE EEV OPERATIONSENSOR FAILURE CUTOUT SAFETY Micro Panel ContentsLOW SUPERHEAT CUTOUT SAFETY OPERATING DATA DISPLAYS8.6 EEV PROGRAMMING The system shuts down on Low Suction Pressure 8.7 EEV TROUBLESHOOTINGMicro Panel Contents The system shuts down on Low Superheat8.8 CONDENSER FAN CONTROL FIG. 51 - CONDENSER FAN LAYOUT FOR DXST 2 COMPRESSOR UNITSMicro Panel Contents TABLE 3 - CONDENSER FAN CONTROL AND FAN CONTACTOR DATA FOR DXST UNITS WITH 4 FANS/SYSTEMThe chiller must always be programmed for YCAS Micro Panel Contents Indicates one lead/phase through motor protectorTABLE 6 - YCAS STYLE G, ACROSS THE LINE START - 60 HZ Indicates one lead/phase through motor protector TABLE 6 - YCAS STYLE G, ACROSS THE LINE START - 60 HZ. CONTDMicro Panel Contents TABLE 7 - YCAS STYLE G, WYE DELTA START - 60 HZIndicates one lead/phase through motor protector TABLE 7 - YCAS STYLE G, WYE DELTA START - 60 HZ. CONTDMicro Panel Contents SERVICE MODE VIEWING INPUTS AND OUTPUTSSERVICE MODE OUTPUT ENABLE Oil & Discharge Temperature Sensors 8.10 SENSOR CALIBRATION CHARTSAmbient Temperature Sensor Pressure Transducers8.11 CONTROL INPUTS/OUTPUTS Micro Panel ContentsTABLE 8 - DIGITAL OUTPUTS ANALOG INPUTS TABLE 9 - ANALOG INPUTSTABLE 10 - DIGITAL INPUTS Micro Panel ContentsDIGITAL INPUTS ANALOG OUTPUTS8.12 ISN CONTROL RECEIVED DATA CONTROL DATATRANSMITTED DATA Micro Panel Contents TABLE 13 - ISN TRANSMITTED DATA CONTDTABLE 13 - ISN TRANSMITTED DATA CONTD Micro Panel Contents TABLE 14 - ISN OPERATIONAL AND FAULT CODESThis page intentionally left blank FORM 201.19-NM1YORK INTERNATIONAL MAINTENANCE MaintenanceChiller / Compressor Operating Log Scheduled MaintenanceON-BOARD BATTERY BACK-UP OVERALL UNIT INSPECTIONOperating CHILLER/COMPRESSOR COMPRESSOR UNIT OPERATIONMaintenance 196 Operating LogMAINTENANCE REQUIREMENTS FOR YORK YCAS SCREW CHILLERS YORKINTERNATIONALSERVICE SCHEDULE GENERAL PERIODIC MAINTENANCE CHECKS STANDARD UNITSMaintenance MINOR SERVICERecommended Spares SPARE PARTSFor Parts, Service, or Sales Call Toll Free 1-866-YORK SRV Recommended Compressor OilsTROUBLESHOOTING GUIDE TroubleshootingPOSSIBLE TROUBLESHOOTING GUIDE - CONT’DPROBLEM ACTIONWARRANTY ON NEW EQUIPMENT LIMITED WARRANTY YORK AMERICAS ENGINEERED SYSTEMSTroubleshooting WARRANTY ON RECONDITIONED OR REPLACEMENT MATERIALSTemperature Conversion Chart Differential Temperatures TEMPERATURE CONVERSION CHARTTemperature Conversion Chart Actual Temperatures Pressure Conversion Chart Gauge or DifferentialSubject to change without notice. Printed in USA Form 201.19-NM1 204 New ReleaseTele ALL RIGHTS RESERVED